
Mushrooms are the fruit, or fruiting body, of a larger fungus that is usually hidden from sight underground or in decaying wood. They grow by absorbing nutrients from dead and decaying organic matter. While most mushrooms are cultivated in large growing rooms, some mushrooms, such as the psilocybe cubensis species, are known to grow in cow dung and horse manure.
| Characteristics | Values |
|---|---|
| Type of mushrooms grown from poop | Psilocybe cubensis |
| Common names | Shrooms, magic mushrooms, golden tops, cubes, gold caps |
| Region | South America, East Asia, Florida, Gulf Coast States |
| Climatic conditions | Humid, over 85% humidity |
| Growing conditions | Underground fungus, compost, caves, quarries, excavated tunnels |
| Mushroom growth process | Temperature, humidity, oxygen, CO2 regulation |
| Time taken for growth | Approximately 15 days from spawning to harvest |
| Pre-growth sterilization temperature | 160°F (71°C) for 24 hours |
| Substrate pasteurization temperature | 136°F (58°C) for 8 hours |
| Substrate layer thickness | 8 inches (20 cm) |
| Peat moss layer thickness | 2 inches (5 cm) |
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What You'll Learn
- Only a certain type of psychedelic mushroom, Psilocybe cubensis, is known to grow in cow dung
- Mushrooms are the fruit, or fruiting body, of a larger fungus that's usually hidden from sight
- Mushrooms grow from the undigested food residues in manure
- Mushrooms are cultivated in beds within large growing rooms
- Mushrooms contribute to the decomposition of organic residues, such as horse manure

Only a certain type of psychedelic mushroom, Psilocybe cubensis, is known to grow in cow dung
Mushrooms are unique in that they are the only fungi that people regularly consume. They are known for their culinary uses and range of medicinal applications. While mushrooms are grown in beds within large growing rooms, they can also be found growing in nature. In the wild, mushrooms are the fruit, or fruiting body, of a much larger fungus that is usually hidden from sight underground or in decaying wood. This network of fibers is called mycelium, which grows by absorbing nutrients from dead and decaying organic matter.
One type of organic matter that mushrooms can grow from is manure, or "poop." However, only a certain type of psychedelic mushroom, Psilocybe cubensis, is known to grow in cow dung. This species of mushroom thrives in humid climates, typically where humidity is over 85%. They can be found in South America and East Asia, as well as in the State of Florida year-round, and in the Gulf Coast States from May through September.
Psilocybe cubensis is one of the easiest psilocybin-containing mushrooms to grow, which has earned it various nicknames, including 'shrooms,' 'magic mushrooms,' and 'cubes.' While it is true that this species of psychedelic mushroom can grow on cow dung, it is not the only way they grow. Like other mushrooms, Psilocybe cubensis can also be cultivated in controlled environments, where growers regulate temperature, humidity, oxygen, and CO2 to stimulate the mushroom mycelium to develop mushrooms on the surface of the growth medium.
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Mushrooms are the fruit, or fruiting body, of a larger fungus that's usually hidden from sight
Mushrooms are unique in that they are the only type of fungi regularly consumed by people. They are known for their culinary and medicinal uses, with a range of varieties available in local stores. While the most common types of mushrooms are cultivated in controlled environments, some species can grow in the wild from primordia to full-grown mushrooms in less than a day.
The cultivation of mushrooms involves creating specific growing conditions to stimulate the development of the mushroom mycelium. Growers regulate temperature, humidity, oxygen, and CO2 levels to encourage mushroom growth on the surface of a growth medium called substrate. This process usually takes about two weeks from spawning to harvest, resulting in the mushrooms commonly found in grocery stores.
While it is less common, certain types of mushrooms, such as psilocybe cubensis, are known to grow in cow dung and horse manure. These "magic mushrooms" or "psychedelic mushrooms" thrive in humid climates and can be found in South America, East Asia, and some parts of the United States. However, even within these regions, specific conditions must be met for mushrooms to grow in cow dung, so it is not a guaranteed occurrence.
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Mushrooms grow from the undigested food residues in manure
Mushrooms are fungi that grow from the mycelium, a complex network of fibres that is usually hidden from sight underground or in decaying wood. This network of fibres grows by absorbing nutrients from dead and decaying organic matter. Mushrooms are unique in that they are the only fungi that people regularly consume. They are known for their culinary and medicinal uses.
Mushrooms can grow from undigested food residues in manure. Horse manure, for example, is a source of fibres, nutrients, and organisms that act as food for plants. Fermented horse manure, in particular, is an excellent fertilizer for plants. This is because, during fermentation, fungi, bacteria, and other microorganisms break down plant residues in the manure. This process reduces odour and flies and results in a product that plants can easily absorb. Mushrooms thrive on slightly acidic soil, which can be found on fermented manure heaps.
Mushroom growers often use manure, especially horse manure with straw, as a growth medium called a substrate. The substrate provides essential carbon and nitrogen nutrients for the mushrooms. Before planting, the growing rooms and beds are sterilized at a high temperature to ensure a clean environment. The substrate is then pasteurized before the mushroom spawn, or mycelia, is mixed into it. This process stimulates the mushroom mycelium to develop mushrooms on the surface, which can be harvested in about 15 days.
In addition to manure, mushrooms can also grow in other environments with decaying organic matter. For example, the first record of mushroom cultivation in Western cultures was in France around 1650, where they grew Agaricus bisporus in open fields using compost. Today, mushrooms are often grown in caves, quarries, and excavated tunnels to provide specific growing conditions.
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Mushrooms are cultivated in beds within large growing rooms
The substrate layer is usually about 8 inches (20 cm) thick, with a 2-inch (5 cm) layer of peat moss spread over it. This process takes approximately 15 days from spawning to harvest.
Outdoor mushroom beds are a simple and inexpensive way to grow mushrooms, and they can complement your vegetables and plants. Wine Cap and Oyster varieties are two species that can be grown in outdoor beds, providing a low-cost supply of healthy and delicious food while improving the quality of your soil. Making outdoor mushroom beds is easy and doesn't require any special equipment or technology. All you need is spawn, straw or wood chips, and a consistent supply of water to keep the bed moist.
The first record of western mushroom cultivation was in France around 1650, where they grew Agaricus bisporus (button, cremini, and portobello mushrooms) in open fields using compost. They then moved underground, growing mushrooms in caves, quarries, and excavated tunnels.
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Mushrooms contribute to the decomposition of organic residues, such as horse manure
Mushrooms are the fruit, or fruiting body, of a larger fungus that is usually hidden from sight underground or in decaying wood. This fungus, called mycelium, grows by absorbing nutrients from dead and decaying organic matter. Mycelium can remain dormant and hidden for several years until conditions are right for reproduction. Then, it produces a mushroom to distribute spores.
Mushrooms are very picky about their growing conditions. They thrive in slightly acidic soil, which is why fermented manure is a great place for them to grow. In addition, a manure heap contains a lot of fungal spores, making it easy for mushrooms to grow. Different types of dung mushrooms grow on each type of manure.
Mushroom compost is a common practice, and it is considered one of the most suitable and sustainable methods for recycling crop residues. It is used to reclaim degraded soil and manage soil fertility. Due to the limited availability of horse manure, composts are often formulated without it, using other nitrogen-rich materials like ammonium nitrate, urea, poultry manure, and soybean.
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Frequently asked questions
While it is true that some mushrooms can grow on poop, this is not always the case. Only a certain type of psychedelic mushroom, Psilocybe cubensis, is known to grow in cow dung. This species of mushroom prefers humid climates and can be found throughout South America and East Asia, or anywhere the humidity is over 85%.
Mushrooms are the fruit, or fruiting body, of a larger fungus that is usually hidden from sight underground or in decaying wood. A complex network of fibres called mycelium makes up the hidden part of the fungus and can spread over large distances underground. Mycelium grows by absorbing nutrients from dead and decaying organic matter.
Mushrooms need specific growing conditions. Before each crop is planted, growing rooms and beds are sterilised at a temperature of 160°F (71°C) for 24 hours. The beds are then filled with a growth medium called substrate, which provides essential carbon and nitrogen nutrients for the mushrooms. The substrate is pasteurised at 136°F (58°C) for 8 hours before the mushroom spawn (mushroom mycelia attached to sterile grain) is mixed into it. The grower then regulates temperature, humidity, oxygen, and CO2 to stimulate the mushroom mycelium to develop mushrooms on the surface of the peat moss. This process takes approximately 15 days from spawning to harvest.

























